Automobile part welding equipment

Abstract

The invention relates to the technical field of automobile welding. The invention discloses automobile part welding equipment which comprises a welding table, two fixing assemblies are arranged on the welding table, a connecting frame is arranged at the side end of one fixing assembly, and the bottom of the connecting frame is movably connected with the top of the welding table through symmetrically-arranged telescopic rods; a welding machine is arranged on the sides, away from the connecting frame, of the fixing assemblies, a driving assembly is arranged at the side end of the fixing assembly located on the lower portion, an automatic disengaging device is arranged on the driving assembly, a connecting assembly is arranged at the side end of the automatic disengaging device, and an alignment assembly is arranged at the side end of the connecting assembly; and an auxiliary assembly is arranged on the other side of the connecting assembly, and the automatic disengaging device comprises a disengaging assembly and a switching assembly. Through work of the automatic disengaging device and the connecting assembly, the tubular part can be automatically fixed and aligned, meanwhile, the tubular part is driven to rotate for welding, and the welding efficiency and the welding quality are greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile welding, in particular to automobile parts welding equipment. Background Art

[0002] Automotive tubular parts are the basic elements that make up a car. Each tubular part carries specific functions and responsibilities, and they work together to achieve the overall performance of the car. Through precise design and manufacturing processes, these tubular parts ensure the safe, stable and efficient operation of the car under various road and driving conditions.

[0003] In the prior art, during the welding of automobile tubular parts, workers are usually required to fix the two tubular parts to be welded respectively by a clamp, and then manually complete the alignment. The operation is cumbersome, resulting in low welding efficiency. At the same time, after the alignment is completed, it is often necessary to control the welding machine to weld along the alignment part. When passing through the curved surface of the tubular part, the welding machine is prone to deviation during the movement, resulting in insufficient welding quality. Therefore, a device is needed that can automatically fix the tubular parts in position and drive the tubular parts to rotate for welding to avoid low welding efficiency and insufficient welding quality. Summary of the invention

[0004] The object of the present invention is to provide an automobile parts welding equipment to solve the problems raised in the above background technology. To achieve the above object, the present invention provides the following technical solutions: an automobile parts welding equipment, including a welding table, on which two fixed components are arranged in an up-down opposite manner, a connecting frame is arranged at the side end of one of the fixed components, and the bottom of the connecting frame is movably connected to the top of the welding table through a symmetrically arranged telescopic rod, a welding machine is arranged on the side of the fixed component away from the connecting frame, and the output end of the welding machine is located between the two fixed components, wherein a driving component is arranged at the side end of the fixed component located at the bottom, an automatic disengagement device is arranged on the driving component, a connection component is arranged at the side end of the automatic disengagement device, a positioning component is arranged at the side end of the connection component, and an auxiliary component is arranged on the other side of the connection component, and the automatic disengagement device includes a disengagement component and a switching component, the disengagement component is arranged on the driving component, and the switching component is arranged at the side end of the disengagement component.

[0005] Preferably, the fixing assembly includes a fixing disc, a side end of the fixing disc located at the bottom is connected to the side end of the adjacent welding platform, and a side end of the fixing disc located at the top is connected to the side end of the connecting frame, a through hole is provided in the middle of the fixing disc, and one side adjacent to the two fixing discs is rotatably connected to a rotating seat, and the two rotating seats are connected by two telescopic plates, and a plurality of slots are provided at the side end of the rotating seat, and a sliding sleeve is rotatably connected in each of the slots, and a fixing rod is slidably fitted in each of the sliding sleeves, and one end of the fixing rod located on the outside of the rotating seat is rotatably connected to the fixing disc via a control shaft, and one end of the fixing rod located on the inside of the rotating seat is rotatably connected to a clamping wheel. A first transmission belt is sleeved on the outside of the rotating connection between the clamping wheel and the fixed rod, and the other end of the first transmission belt passes through the inside of the sliding sleeve and is sleeved on the outside of the control shaft. A vertically arranged first transmission shaft is provided between every two fixed rods, and the first transmission shaft is located on the outside of the rotating seat. The bottom of the first transmission shaft is rotatably connected to the top of the fixed disc, and two second transmission belts are sleeved on the outside of the first transmission shaft. The two second transmission belts are arranged at an angle, and the other end of each second transmission belt is respectively sleeved on the outside of the control shafts on two adjacent sides. When one of the first transmission shafts rotates, all the clamping wheels can be driven to rotate synchronously through the second transmission belt and the first transmission belt.

[0006] Preferably, the driving assembly includes a driving frame, a side end of the driving frame is connected to the side end of a rotating seat located below, the top of the driving frame is hinged with a driving block, the side end of the driving block is provided with a locking frame, the bottom of the locking frame is connected to the top of the fixed disc, the side of the locking frame close to the driving block is provided with a horizontally arranged driving threaded rod, the end of the driving threaded rod passes through the middle of the driving block and is threadedly matched with the driving block, a sleeve shaft is rotatably connected to the locking frame, the end of the sleeve shaft is connected to the end of the driving threaded rod, the end of the sleeve shaft is embedded in the unlocking sleeve and rotatably matched with the driving threaded rod, the side end of the unlocking sleeve is rotatably matched with the side end of the locking frame, the side of the sleeve shaft away from the rotating seat is provided with a power shaft, the power shaft is rotatably connected to the power frame, and the bottom of the power frame is connected to the top of the welding table Then, a third transmission belt is sleeved on the outer side of the power frame, and the other end of the third transmission belt is sleeved on the outer side of the unlocking sleeve, and the end of the power shaft away from the unlocking sleeve is connected to the output end of the driving motor, and the bottom of the driving motor is fixedly connected to the top of the welding table, and a linkage frame is provided at the side end of the power frame, and the linkage frame is rotatably connected with the first driving bevel gear through a linkage shaft, and the side end of the first driving bevel gear is provided with a horizontally arranged second driving bevel gear, and the center of the second driving bevel gear is rotatably connected to the welding table, the bottom of the first driving bevel gear is meshed with the side end of the second driving bevel gear, and the angle between the first driving bevel gear and the second driving bevel gear is set at 90 degrees, and a fourth transmission belt is sleeved on the outer side of the linkage shaft, and the other end of the fourth transmission belt is sleeved on the power shaft.

[0007] Preferably, the disengagement assembly includes a lock hole, which is opened at the side end of the sleeve shaft located in the unlocking sleeve, and a locking block is slidably provided on the side end of the unlocking sleeve. Control blocks are symmetrically provided on both sides of the locking block, and each of the control blocks is slidably set in the reset groove. The top of each control block is movably connected to the inner wall of the reset groove through a first spring telescopic rod. The locking block is located on the outside of the unlocking sleeve and is telescopically set. One end of the locking block located in the unlocking sleeve is embedded in the lock hole and is obliquely set. The angle between the locking block and the sleeve shaft is set at 90 degrees.

[0008] Preferably, the switching assembly includes a switching base, the bottom of the switching base is fixedly connected to the top of the welding platform, the switching base is located below the unlocking sleeve, and an arc-shaped slide is provided on the side of the switching base away from the locking block, and the top of the switching base close to the locking block is rotatably connected to a toggle rod. When the locking block moves toward the outside of the unlocking sleeve through the first spring telescopic rod, the unlocking sleeve can be rotated to make it abut against the outside of the toggle rod, the toggle rod is located directly below the unlocking sleeve, and first blocking rods are symmetrically arranged on both sides of the toggle rod, the bottom of the first blocking rod is fixedly connected to the top of the switching base, and one end of the toggle rod away from the locking block is connected to the side end of the switching frame, and the switching frame is away from the toggle rod A resistance rod is provided on one side, and the resistance rod is slidably provided in the sliding groove of the reaction rod and is located on one side of the resistance ring, and the resistance ring is slidably provided on the reaction rod, and an arc block is provided at one end of the reaction rod away from the resistance rod, and the side end of the resistance ring is movably connected with the side end of the arc block through a compression spring, and the side end of the arc block resists on the arc slide and slides with it. When the arc block is located on one side of the arc slide, the side end of the toggle rod resists the side end of the first blocking rod in the opposite direction, and the top of the arc block is rotatably connected with a horizontally arranged switching bevel gear, and when the arc block moves to the side of the arc slide close to the second driving bevel gear, the side end of the switching bevel gear meshes with the side end of the second driving bevel gear.

[0009] Preferably, the connection assembly includes a connection seat, which is annularly arranged and arranged on one side of the switching base. The middle part of the connection seat is rotatably connected to the top of the welding table through a central axis. A conical opening is provided on the top of the connection seat, and a conical sleeve with a complementary shape is provided in the conical opening. The rotation of the conical sleeve is arranged on the central axis, and a control ring is provided above the conical sleeve, and the control ring is rotatably arranged on the central axis. The bottom of the control block is movably connected to the top of the conical sleeve through a plurality of second spring telescopic rods. A connection gear is provided on the outer side of the top of the conical sleeve, and the side end of the connection gear can mesh with the side end of the switching bevel gear. When the switching bevel gear meshes with the second driving bevel gear, the other side of the switching bevel gear meshes with the side end of the connection gear The connecting seat is meshed, and when the conical sleeve rotates in the conical opening, the outer side of the conical sleeve can always contact the inner side of the conical opening through the second spring telescopic rod, thereby driving the connecting seat to rotate synchronously. A vertically arranged trigger rod is provided on the top of the connecting seat, and a vertically arranged reset rod is provided on the outer side of the connecting seat. The bottom of the reset rod is fixedly connected to the top of the welding platform, and a limiting rod is rotatably connected to the reset rod through a coil spring. The end of the limiting rod away from the reset rod is located on the connecting seat. When the connecting seat drives the trigger rod to rotate, it can drive the trigger rod to be clamped in the limiting opening at the end of the limiting rod. The side of the end of the limiting rod away from the limiting opening is obliquely arranged, and second blocking rods are provided on both sides of the limiting rod to limit its deflection angle, and the bottom of the second blocking rod is connected to the top of the welding platform.

[0010] Preferably, the alignment assembly includes a synchronous shaft, which is vertically arranged on a side of the connecting seat away from the rotating seat and is located on the welding table, the synchronous shaft is rotatably connected to the welding table, and a fifth transmission belt is sleeved on the outer side of the synchronous shaft, and the other end of the fifth transmission belt is sleeved on the outer side of the connecting seat, and the bottom of the synchronous shaft slides through the welding table and is connected with the center of the synchronous gear. The side end of the synchronous gear is meshed with a synchronous toothed rod, and the top of the synchronous toothed rod and the welding table are slidably matched with each other, and the synchronous toothed rod is connected to an L-shaped connecting rod on the side away from the synchronous gear, and one end of the L-shaped connecting rod away from the synchronous toothed rod is located above the welding table and connected to the bottom of the pulling block, and the L-shaped connecting rod and the welding table are slidably matched with each other, and the side end of the pulling block is provided with a horizontally arranged sliding rod, and one end of the sliding rod away from the pulling block is embedded in the oblique sliding groove of the limiting frame, the sliding rod and the inner wall of the oblique sliding groove are slidably matched with each other, and the top of the limiting frame is connected to the bottom of the connecting frame.

[0011] Preferably, the auxiliary component includes a second transmission shaft, wherein two second transmission shafts are provided, and the two second transmission shafts are respectively vertically arranged on one side adjacent to the two fixed disks and located at the side ends of the first transmission shaft, and the positions of the two second transmission shafts correspond to each other, and a sixth transmission belt is sleeved on the outer side of the second transmission shaft, and the other end of the sixth transmission belt is sleeved on the outer side of the adjacent first transmission shaft, wherein the second transmission shaft on the fixed disk located below is sleeved with a transmission gear, and the transmission gear is located on the side of the fifth transmission belt close to the rotating seat, and the side end of the transmission gear is meshed with the side end of the connecting gear, and connecting rods are symmetrically provided on the top of the second transmission shaft, and the four sides of the top of the connecting rod are obliquely arranged, and a connecting sleeve is sleeved on the second transmission shaft on the fixed disk located above, and a connecting groove is opened at the bottom of the connecting sleeve to cooperate with the second transmission shaft and the connecting rod, and the second transmission shaft, the connecting rod and the connecting groove are slidably matched with each other.

[0012] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, when the device is used, the staff first vertically places the two tubular parts in a fixed component respectively, and then controls the driving component to work, thereby first driving the two fixed components to work, so as to fix the two tubular parts, and after the fixing is completed, the control of the fixed component is released by the set disengagement component, and the switching component is driven to work synchronously, so as to facilitate the alignment component to work through the set connection component, so that the fixed component located above is close to the fixed component located below, so as to automatically complete the alignment of the two parts, thereby avoiding the need for the staff to manually complete the alignment, simplifying the operation steps, and improving the welding efficiency. At the same time, after the alignment is completed, the auxiliary component is driven to work through the set connection component, so that the parts located in the two fixed components can be rotated at the same time, so as to facilitate the welding of the butt joint parts of the two parts by the welding machine, and then facilitate the completion of the welding work, avoiding the welding machine moving welding, thereby improving the welding quality, thereby achieving the ability to automatically fix the tubular parts in position while driving the tubular parts to rotate for welding, so as to avoid the effects of low welding efficiency and insufficient welding quality.

[0013] When the two ends of the cam are in a state of being moved horizontally, the two ends of the cam are moved horizontally, and the two ends of the cam are moved horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally and horizontally, so that the cam can move horizontally and horizontally, and the cam can move horizontally, so that the cam

[0014] In the present invention, when the switching bevel gear is meshed with the second driving bevel gear, the fifth transmission belt drives the synchronous gear to rotate counterclockwise synchronously, so that the synchronous tooth groove rod is displaced along the welding table, thereby driving the limit frame and the connecting frame to move downward under the action of the telescopic rod, and move downward through the set telescopic plate, and then the parts located above are abutted against the parts below, thereby completing the alignment work. At this time, the trigger rod is located in the restriction mouth, and the conical sleeve can continue to rotate under the action of the connecting gear, the connecting seat automatically stops rotating, and the position of the restriction rod is limited by the set second blocking rod, thereby avoiding the need for staff to manually complete the alignment, simplifying the operation steps, and improving welding efficiency.

[0015] In the present invention, when the connecting gear is driven counterclockwise, the transmission gear is driven to rotate, and the sixth transmission belt is provided to drive the second transmission shaft to rotate, and then through the first transmission belt and the second transmission belt, each clamping wheel is driven to rotate synchronously under the action of the first transmission shaft, so that the parts fixed in the lower fixed disk are rotated, and in the process of alignment, the parts in the upper fixed disk are rotated, so that it is convenient to weld the butt joints of the two parts by the welding machine, and then it is convenient to complete the welding work, avoid moving the welding machine for welding, thereby improving the welding quality, and when the welding is completed, the driving motor is operated by reverse control, and the connecting gear is reversed at this time The locking mechanism is then retracted so that the locking cam and the second gear are engaged and the locking cam are engaged, and the locking cam is retracted so that the locking cam can be re-engaged in the locking hole and the locking cam is re-engaged in the locking hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ; Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ; Figure 3 It is a schematic diagram of the local three-dimensional structure of the present invention Figure 1 ; Figure 4 It is a schematic diagram of a partial explosion three-dimensional structure of the present invention; Figure 5 It is a schematic diagram of a partially exploded three-dimensional structure of a driving assembly in the present invention; Figure 6 for Figure 5 A magnified schematic diagram of the middle A area; Figure 7 It is a schematic diagram of the local three-dimensional structure of the present invention Figure 2 ; Figure 8 It is a schematic diagram of the local three-dimensional structure of the present invention Figure 3 ; Fig. 9 It is a schematic diagram of a partially exploded three-dimensional structure of a connection assembly in the present invention; Fig.10 It is a partial three-dimensional structural schematic diagram of the connection component and the alignment component in the present invention; Fig.11The partial three-dimensional structure of the alignment component in the present invention is shown in FIG. Figure 1 ; Fig.12 The partial three-dimensional structure of the alignment component in the present invention is shown in FIG. Figure 2 ; Fig.13 It is a schematic diagram of a partial three-dimensional structure of the auxiliary component in the present invention.

[0017] In the figure: 1, welding table; 2, fixing assembly; 21, fixing disc; 22, through-hole; 23, rotating seat; 24, telescopic plate; 25, slot; 26, sliding sleeve; 27, fixing rod; 28, control shaft; 29, clamping wheel; 30, first transmission belt; 31, first transmission shaft; 32, second transmission belt; 4, connecting frame; 5, telescopic rod; 6, welding machine; 7, driving assembly; 71, driving frame; 72, driving block; 73, locking frame; 74, driving threaded rod; 75, sleeve shaft; 76, release Lock sleeve; 77, power shaft; 78, power frame; 79, third transmission belt; 80, drive motor; 81, linkage frame; 82, linkage shaft; 83, first drive bevel gear; 84, second drive bevel gear; 85, fourth transmission belt; 9, automatic disengagement device; 91, disengagement assembly; 911, lock hole; 912, clamping block; 913, control block; 914, reset groove; 915, first spring telescopic rod; 92, switching assembly; 921, switching base; 922, arc-shaped slide; 923, toggle rod ; 924, first blocking rod; 925, switching frame; 926, resistance rod; 927, reaction rod; 928, slide groove; 929, resistance ring; 930, arc block; 931, compression spring; 932, switching bevel gear; 10, connection assembly; 101, connection seat; 102, central axis; 103, conical opening; 104, conical sleeve; 105, control ring; 106, second spring telescopic rod; 107, connection gear; 108, trigger rod; 109, reset rod; 110, coil spring; 111 , limiting rod; 112, limiting mouth; 113, second blocking rod; 12, alignment assembly; 121, synchronization shaft; 122, fifth transmission belt; 123, synchronization gear; 124, synchronization toothed rod; 125, L-shaped connecting rod; 126, pulling block; 127, sliding rod; 128, limiting frame; 129, oblique slide; 13, auxiliary assembly; 131, second transmission shaft; 132, sixth transmission belt; 133, transmission gear; 134, connecting rod; 135, connecting sleeve; 136, connecting groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figures 1 to 13 The present invention provides an automobile parts welding equipment: comprising a welding table 1, wherein two fixing components 2 are arranged on the welding table 1, and the two fixing components 2 are arranged oppositely up and down, wherein a connecting frame 4 is arranged at the side end of one of the fixing components 2, and the bottom of the connecting frame 4 is movably connected to the top of the welding table 1 through a symmetrically arranged telescopic rod 5, and a welding machine 6 is arranged on the side of the fixing component 2 away from the connecting frame 4, and the output end of the welding machine 6 is located between the two fixing components 2, wherein a driving component 7 is arranged at the side end of the fixing component 2 located at the bottom, and an automatic disengagement device 9 is arranged on the driving component 7, and a connection component 10 is arranged at the side end of the automatic disengagement device 9, and a positioning component 12 is arranged at the side end of the connection component 10, and an auxiliary component 13 is arranged on the other side of the connection component 10, and the automatic disengagement device 9 includes a disengagement component 91 and a switching component 92, wherein the disengagement component 91 is arranged on the driving component 7, and the switching component 92 is arranged at the side end of the disengagement component 91.

[0020] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, the fixing assembly 2 includes a fixing disc 21, the side end of the fixing disc 21 located at the bottom is connected to the side end of the adjacent welding table 1, and the side end of the fixing disc 21 located at the top is connected to the side end of the connecting frame 4, a through hole 22 is provided in the middle of the fixing disc 21, and a rotating seat 23 is rotatably connected to one side of the two adjacent fixing discs 21, and the two rotating seats 23 are connected by two telescopic plates 24, and a plurality of slots 25 are provided at the side end of the rotating seat 23, and a sliding sleeve 26 is rotatably connected in each of the slots 25, and a fixing rod 27 is slidably fitted in each of the sliding sleeves 26, and one end of the fixing rod 27 located on the outer side of the rotating seat 23 is rotatably connected to the fixing disc 21 through a control shaft 28, and one end of the fixing rod 27 located on the inner side of the rotating seat 23 is rotatably connected to a clamping wheel 29 A first transmission belt 30 is sleeved on the outer side of the rotation connection between the clamping wheel 29 and the fixed rod 27, and the other end of the first transmission belt 30 passes through the inside of the sliding sleeve 26 and is sleeved on the outer side of the control shaft 28. A vertically arranged first transmission shaft 31 is provided between each two fixed rods 27, and the first transmission shaft 31 is located on the outer side of the rotating seat 23. The bottom of the first transmission shaft 31 is rotatably connected to the top of the fixed disc 21, and two second transmission belts 32 are sleeved on the outer side of the first transmission shaft 31. The two second transmission belts 32 are arranged at an angle, and the other end of each second transmission belt 32 is respectively sleeved on the outer side of the control shaft 28 on the adjacent two sides. When one of the first transmission shafts 31 rotates, all the clamping wheels 29 can be driven to rotate synchronously through the second transmission belt 32 and the first transmission belt 30; The drive assembly 7 includes a drive frame 71, the side end of which is connected to the side end of the rotating seat 23 located below, the top of the drive frame 71 is hinged with a drive block 72, the side end of the drive block 72 is provided with a locking frame 73, the bottom of the locking frame 73 is connected to the top of the fixed disc 21, and the side of the locking frame 73 close to the drive block 72 is provided with a horizontally arranged drive threaded rod 74, the end of the drive threaded rod 74 passes through the middle of the drive block 72 and is threadedly engaged with it. A sleeve shaft 75 is rotatably connected to the locking frame 73, and the end of the sleeve shaft 75 is connected to the end of the drive threaded rod 74. The end of the sleeve shaft 75 away from the drive threaded rod 74 is embedded in an unlocking sleeve 76 and rotatably engaged with it, and the side end of the unlocking sleeve 76 is rotatably engaged with the side end of the locking frame 73, and the side of the sleeve shaft 75 away from the rotating seat 23 is provided with a power shaft 77, and the power shaft 77 is rotatably connected to the power frame 78, and the bottom of the power frame 78 is connected to the welding table 1 The top is connected, the outer side of the power frame 78 is sleeved with a third transmission belt 79, and the other end of the third transmission belt 79 is sleeved on the outer side of the unlocking sleeve 76. The end of the power shaft 77 away from the unlocking sleeve 76 is connected to the output end of the drive motor 80, and the bottom of the drive motor 80 is fixedly connected to the top of the welding table 1. The side end of the power frame 78 is provided with a linkage frame 81, and the linkage frame 81 is rotatably connected with a first driving bevel gear 83 through a linkage shaft 82. The side end of the first driving bevel gear 83 is provided with a horizontally arranged second driving bevel gear 84, and the center of the second driving bevel gear 84 is rotatably connected to the welding table 1. The bottom of the first driving bevel gear 83 is meshed with the side end of the second driving bevel gear 84, and the angle between the first driving bevel gear 83 and the second driving bevel gear 84 is set at 90 degrees. The outer side of the linkage shaft 82 is sleeved with a fourth transmission belt 85, and the other end of the fourth transmission belt 85 is sleeved on the power shaft 77; The disengagement component 91 includes a lock hole 911, which is opened at the side end of the sleeve shaft 75 located in the unlocking sleeve 76, and a clamping block 912 is slidably provided at the side end of the unlocking sleeve 76. Control blocks 913 are symmetrically provided on both sides of the clamping block 912, and each of the control blocks 913 is slidably set in a reset groove 914. The top of each control block 913 is movably connected to the inner wall of the reset groove 914 through a first spring telescopic rod 915. The clamping block 912 is located on the outside of the unlocking sleeve 76 and is telescopically arranged. One end of the clamping block 912 located in the unlocking sleeve 76 is embedded in the lock hole 911 and is obliquely arranged. The angle between the clamping block 912 and the sleeve shaft 75 is set at 90 degrees. The switching assembly 92 includes a switching base 921, the bottom of which is fixedly connected to the top of the welding table 1, the switching base 921 is located below the unlocking sleeve 76, and an arc-shaped slide 922 is provided on the side of the switching base 921 away from the locking block 912, and a toggle rod 923 is rotatably connected to the top of the switching base 921 close to the locking block 912. When the locking block 912 moves toward the outside of the unlocking sleeve 76 through the first spring telescopic rod 915, it can be caused to abut against the outside of the toggle rod 923 through the rotation of the unlocking sleeve 76. The toggle rod 923 is located directly below the unlocking sleeve 76, and first blocking rods 924 are symmetrically arranged on both sides of the toggle rod 923. The bottom of the first blocking rod 924 is fixedly connected to the top of the switching base 921, and one end of the toggle rod 923 away from the locking block 912 is connected to the side end of the switching frame 925, and the switching frame 925 is away from the side of the toggle rod 923 A resisting rod 926 is provided, and the resisting rod 926 is slidably provided in a slide groove 928 of a reaction rod 927 and is located on one side of a resisting ring 929. The resisting ring 929 is slidably provided on the reaction rod 927. An arc block 930 is provided at one end of the reaction rod 927 away from the resisting rod 926. The side end of the resisting ring 929 is movably connected to the side end of the arc block 930 through a compression spring 931. The side end of the arc block 930 resists on the arc slide 922. And it slides with it. When the arc block 930 is located on one side of the arc slide 922, the side end of the toggle rod 923 abuts against the side end of the first blocking rod 924 in the opposite direction. The top of the arc block 930 is rotatably connected with a horizontally arranged switching bevel gear 932. When the arc block 930 moves to the side of the arc slide 922 close to the second driving bevel gear 84, the side end of the switching bevel gear 932 meshes with the side end of the second driving bevel gear 84. When the staff vertically places the two tubular parts in the through-hole 22 of a fixed disc 21, the driving motor 80 is then controlled to work counterclockwise, thereby driving the power shaft 77 to rotate on the power frame 78, and synchronously driving the unlocking sleeve 76 to rotate through the third transmission belt 79, and driving the sleeve shaft 75 to rotate synchronously through the cooperation of the set clamping block 912 and the lock hole 911, so that the driving threaded rod 74 rotates counterclockwise on one side of the locking frame 73, and the driving block 72 threadedly matched with it drives the rotating block 72 located below through the driving frame 71. The movable seat 23 rotates at the through opening 22, and drives the rotating seat 23 located above to rotate synchronously through the telescopic plate 24. Through the cooperation of the sliding sleeve 26 in each slot 25, each fixing rod 27 drives the clamping wheel 29 to fit the side end of the part, thereby fixing and positioning the two tubular parts. Afterwards, when the fixation is completed, the rotating seat 23 cannot be further rotated, so that the driving threaded rod 74 cannot rotate. In the case of increased resistance, the obliquely arranged side of the clamping block 912 makes it rotate on the first spring telescopic rod 915. Under the action of, the locking block 912 moves toward the outside of the unlocking sleeve 76 through the cooperation of the control block 913 and the reset groove 914, and the unlocking sleeve 76 continues to rotate so that it abuts against the side end of the toggle rod 923, thereby driving the toggle rod 923 to deflect, and the first blocking rod 924 is provided to limit the angle of deflection of the toggle rod 923 each time, and in the process of deflection, the cooperation of the abutting rod 926 and the sliding groove 928 drives the abutting ring 929 to compress the compression spring 931, so that the arc block 930 quickly moves along the arc slide 922 and fits to Its end portion, thereby moving the position of the switching bevel gear 932, during the rotation of the power shaft 77, through the fourth transmission belt 85, it can synchronously drive the first drive bevel gear 83 to rotate through the linkage shaft 82, so that the second drive bevel gear 84 meshing therewith rotates counterclockwise, and after the switching bevel gear 932 moves into place, it meshes with the second drive bevel gear 84 and rotates clockwise, thereby facilitating the alignment of the fixed workpiece and simultaneously performing welding work, completing the switching of kinetic energy, and further improving the practicality of the device.

[0021] In this embodiment, Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12As shown, the connection assembly 10 includes a connection seat 101, which is arranged in an annular shape. The connection seat 101 is arranged on one side of the switching base 921. The middle part of the connection seat 101 is rotatably connected to the top of the welding table 1 through a central axis 102. A conical opening 103 is opened on the top of the connection seat 101. A conical sleeve 104 with a complementary shape is arranged in the conical opening 103. The rotation of the conical sleeve 104 is arranged on the central axis 102. The upper part of the conical sleeve 104 is provided with a conical sleeve 104. There is a control ring 105, which is rotatably set on the central shaft 102. The bottom of the control block 913 is movably connected to the top of the conical sleeve 104 through a plurality of second spring telescopic rods 106. The top outer side of the conical sleeve 104 is provided with a connecting gear 107. The side end of the connecting gear 107 can mesh with the side end of the switching bevel gear 932. When the switching bevel gear 932 is meshed with the second driving bevel gear 84, the other side of the switching bevel gear 932 meshes with the side end of the connecting gear 107. When the conical sleeve 104 rotates in the conical opening 103, the outer side of the conical sleeve 104 can always contact the inner side of the conical opening 103 through the second spring telescopic rod 106, thereby driving the connecting seat 101 to rotate synchronously. A vertically arranged trigger rod 108 is provided on the top of the connecting seat 101, and a vertically arranged reset rod 109 is provided on the outer side of the connecting seat 101. The bottom of the reset rod 109 is fixedly connected to the top of the welding table 1, and the reset rod 109 is connected to the top of the welding table 1 by a coil spring 110. A limiting rod 111 is rotatably connected, and one end of the limiting rod 111 away from the reset rod 109 is located on the connection seat 101. When the connection seat 101 drives the trigger rod 108 to rotate, it can drive the trigger rod 108 to be clamped in the limiting opening 112 at the end of the limiting rod 111. The end of the limiting rod 111 is away from the limiting opening 112 and is obliquely arranged. Second blocking rods 113 are arranged on both sides of the limiting rod 111 to limit its deflection angle, and the bottom of the second blocking rod 113 is connected to the top of the welding table 1; The alignment component 12 includes a synchronization shaft 121, which is vertically arranged on a side of the connecting seat 101 away from the rotating seat 23 and is located on the welding table 1. The synchronization shaft 121 is rotatably connected to the welding table 1. The outer side of the synchronization shaft 121 is sleeved with a fifth transmission belt 122, and the other end of the fifth transmission belt 122 is sleeved on the outer side of the connecting seat 101. The bottom of the synchronization shaft 121 slides through the welding table 1 and is connected to the center of the synchronization gear 123. The side end of the synchronization gear 123 is meshed with a synchronization toothed rod 124. The top of the synchronization toothed rod 124 slides with the welding table 1. The side of the synchronous toothed groove rod 124 away from the synchronous gear 123 is connected with an L-shaped connecting rod 125, one end of the L-shaped connecting rod 125 away from the synchronous toothed groove rod 124 is located above the welding table 1 and connected to the bottom of the pulling block 126, the L-shaped connecting rod 125 and the welding table 1 are slidably matched with each other, and the side end of the pulling block 126 is provided with a horizontally arranged sliding rod 127, and one end of the sliding rod 127 away from the pulling block 126 is embedded in the oblique sliding groove 129 of the limiting frame 128, the sliding rod 127 and the inner wall of the oblique sliding groove 129 are slidably matched with each other, and the top of the limiting frame 128 is connected to the bottom of the connecting frame 4; When the switching bevel gear 932 is meshed with the second driving bevel gear 84, the other side of the switching bevel gear 932 is meshed with the side end of the connecting gear 107. Since the switching bevel gear 932 rotates clockwise under the action of the second driving bevel gear 84, the connecting seat 101 rotates counterclockwise under the action of the second spring telescopic rod 106 and the conical sleeve 104, thereby driving the trigger rod 108 to rotate synchronously. In the process that the trigger rod 108 hits the limiting opening 112 at the side end of the limiting rod 111, the synchronous gear 123 is driven to rotate synchronously counterclockwise through the fifth transmission belt 122, so that the synchronous toothed rod 124 is displaced along the welding table 1, thereby through the L-shaped connecting rod 125 The pulling block 126 is driven to move, so that the sliding rod 127 moves in the direction of the oblique slide groove 129, thereby driving the limit frame 128 and the connecting frame 4 to move downward under the action of the telescopic rod 5, and move downward through the set telescopic plate 24, and then the parts located above are abutted against the parts below, thereby completing the alignment work. At this time, the trigger rod 108 is located in the limiting opening 112, and the conical sleeve 104 can continue to rotate under the action of the connecting gear 107, the connecting seat 101 automatically stops rotating, and the position of the limiting rod 111 is limited by the set second blocking rod 113, thereby avoiding the need for staff to manually complete the alignment, simplifying the operation steps, and thus improving welding efficiency.

[0022] In this embodiment, Figure 4 and Fig.13As shown, the auxiliary component 13 includes a second transmission shaft 131, and two second transmission shafts 131 are provided. The two second transmission shafts 131 are respectively vertically arranged on the side adjacent to the two fixed disks 21 and located at the side end of the first transmission shaft 31. The positions of the two second transmission shafts 131 correspond to each other. A sixth transmission belt 132 is sleeved on the outer side of the second transmission shaft 131. The other end of the sixth transmission belt 132 is sleeved on the outer side of the adjacent first transmission shaft 31. A transmission gear 133 is sleeved on the second transmission shaft 131 on the fixed disk 21 located below. 133 is located on the side of the fifth transmission belt 122 close to the rotating seat 23, the side end of the transmission gear 133 is meshed with the side end of the connecting gear 107, the top of the second transmission shaft 131 is symmetrically provided with a connecting rod 134, the top four sides of the connecting rod 134 are obliquely arranged, and the second transmission shaft 131 located on the upper fixed disk 21 is sleeved with a connecting sleeve 135, and the bottom of the connecting sleeve 135 is provided with a connecting groove 136 that cooperates with the second transmission shaft 131 and the connecting rod 134, and the second transmission shaft 131 and the connecting rod 134 and the connecting groove 136 are slidably matched with each other; When the connecting gear 107 is driven counterclockwise, the transmission gear 133 is driven to rotate, and the second transmission shaft 131 is driven to rotate through the sixth transmission belt 132, and then through the first transmission belt 30 and the second transmission belt 32, each clamping wheel 29 is driven to rotate synchronously under the action of the first transmission shaft 31, so that the fixed parts in the lower fixed disk 21 are rotated, and in the process of alignment, the connecting sleeve 135 is connected through the connecting groove 136, and then the second transmission shaft 131 located above is driven to rotate through the connecting rod 134, so that the parts located in the upper fixed disk 21 are rotated, so that it is convenient to weld the butt joints of the two parts through the welding machine 6, and then it is convenient to complete the welding work, avoiding the welding machine 6 from moving for welding, thereby improving the welding quality, and when the welding is completed, the driving motor 8 is controlled in reverse 0 works, at this time the connecting gear 107 rotates in the opposite direction, thereby driving the connecting seat 101 and the trigger rod 108 to rotate in the opposite direction, and at this time the synchronous gear 123 rotates in the opposite direction, so that the connecting frame 4 is reset, and under the action of the third transmission belt 79, the unlocking sleeve 76 is driven to reverse, because the fixed rod 27 loses the resistance in the moving direction at this time, so that the clamping block 912 is re-set to the lock hole 911, and then drives the sleeve shaft 75 to rotate in the opposite direction, so that the rotating seat 23 rotates, the parts are unlocked synchronously, and in the process of reversing the unlocking sleeve 76, the toggle rod 923 is driven to reset, and the end of the clamping block 912 is telescopically arranged so that it can pass through the reset toggle rod 923, and after the toggle rod 923 is reset, the switching bevel gear 932 is disengaged from the meshing with the connecting gear 107 and the second driving bevel gear 84, which is convenient for the next welding work, and further improves the convenience of the device when used.

[0023] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automobile parts welding equipment, characterized in that: The invention comprises a welding platform (1), wherein two fixing components (2) are arranged on the welding platform (1), and the two fixing components (2) are arranged in an up-and-down manner, wherein a connecting frame (4) is arranged at a side end of one of the fixing components (2), and the bottom of the connecting frame (4) is movably connected to the top of the welding platform (1) via a symmetrically arranged telescopic rod (5), and a welding machine (6) is arranged on a side of the fixing component (2) away from the connecting frame (4), and the output end of the welding machine (6) is located between the two fixing components (2), wherein the fixing component (2) located at the bottom is provided with a connecting frame (4). A driving component (7) is provided at the side end, an automatic disengaging device (9) is provided on the driving component (7), a connecting component (10) is provided at the side end of the automatic disengaging device (9), a positioning component (12) is provided at the side end of the connecting component (10), an auxiliary component (13) is provided on the other side of the connecting component (10), the automatic disengaging device (9) comprises a disengaging component (91) and a switching component (92), the disengaging component (91) is provided on the driving component (7), and the switching component (92) is provided at the side end of the disengaging component (91).

2. The automobile parts welding equipment according to claim 1, characterized in that: The fixing assembly (2) comprises a fixing disc (21), the side end of the fixing disc (21) located at the bottom is connected to the side end of the adjacent welding table (1), and the side end of the fixing disc (21) located at the top is connected to the side end of the connecting frame (4); a through hole (22) is provided in the middle of the fixing disc (21); one side of the two fixing discs (21) adjacent to each other is rotatably connected to a rotating seat (23); the two rotating seats (23) are connected via two telescopic plates (24); a plurality of slots (25) are provided at the side end of the rotating seat (23); each of the slots (25) is rotatably connected to a sliding sleeve (26); each of the sliding sleeves (26) is slidably fitted with a fixing rod (27); one end of the fixing rod (27) located outside the rotating seat (23) is rotatably connected to the fixing disc (21) via a control shaft (28); and one end of the fixing rod (27) located inside the rotating seat (23) is rotatably connected to a clamping wheel ( 29), a first transmission belt (30) is sleeved on the outer side of the rotation connection between the clamping wheel (29) and the fixed rod (27), the other end of the first transmission belt (30) passes through the interior of the sliding sleeve (26) and is sleeved on the outer side of the control shaft (28), a vertically arranged first transmission shaft (31) is arranged between each two fixed rods (27), the first transmission shaft (31) is located on the outer side of the rotating seat (23), the bottom of the first transmission shaft (31) is rotationally connected to the top of the fixed disc (21), and two second transmission belts (32) are sleeved on the outer side of the first transmission shaft (31), the two second transmission belts (32) are arranged at an angle, and the other end of each second transmission belt (32) is respectively sleeved on the outer side of the control shaft (28) on two adjacent sides, and when one of the first transmission shafts (31) rotates, it can drive all the clamping wheels (29) to rotate synchronously through the second transmission belt (32) and the first transmission belt (30).

3. The automobile parts welding equipment according to claim 2 is characterized in that: The driving assembly (7) comprises a driving frame (71), the side end of the driving frame (71) is connected to the side end of the rotating seat (23) located below, the top of the driving frame (71) is hinged with a driving block (72), the side end of the driving block (72) is provided with a locking frame (73), the bottom of the locking frame (73) is connected to the top of the fixed disc (21), and a horizontally arranged driving threaded rod (74) is provided on a side of the locking frame (73) close to the driving block (72), the end of the driving threaded rod (74) passes through the middle of the driving block (72) and is screwed to the driving block (72). The locking frame (73) is rotatably connected to a sleeve shaft (75), the end of the sleeve shaft (75) is connected to the end of the driving threaded rod (74), one end of the sleeve shaft (75) away from the driving threaded rod (74) is embedded in an unlocking sleeve (76) and rotatably cooperates with the unlocking sleeve (76), the side end of the unlocking sleeve (76) is rotatably cooperated with the side end of the locking frame (73), the side of the sleeve shaft (75) away from the rotating seat (23) is provided with a power shaft (77), the power shaft (77) is rotatably connected to the power frame (78), the bottom of the power frame (78) is welded to the The power frame (78) is connected to the top of the welding table (1), the outer side of the power frame (78) is sleeved with a third transmission belt (79), the other end of the third transmission belt (79) is sleeved on the outer side of the unlocking sleeve (76), the end of the power shaft (77) away from the unlocking sleeve (76) is connected to the output end of the drive motor (80), the bottom of the drive motor (80) is fixedly connected to the top of the welding table (1), the side end of the power frame (78) is provided with a linkage frame (81), and the linkage frame (81) is rotatably connected to a first driving bevel gear (83) through a linkage shaft (82), A second driving bevel gear (84) is horizontally arranged at the side end of the first driving bevel gear (83); the center of the second driving bevel gear (84) is rotatably connected to the welding table (1); the bottom of the first driving bevel gear (83) is meshed with the side end of the second driving bevel gear (84); the angle between the first driving bevel gear (83) and the second driving bevel gear (84) is 90 degrees; a fourth transmission belt (85) is sleeved on the outer side of the linkage shaft (82); the other end of the fourth transmission belt (85) is sleeved on the power shaft (77).

4. The automobile parts welding equipment according to claim 3 is characterized in that: The disengagement component (91) comprises a locking hole (911), wherein the locking hole (911) is formed at a side end of the sleeve shaft (75) located inside the unlocking sleeve (76), a locking block (912) is slidably provided at the side end of the unlocking sleeve (76), control blocks (913) are symmetrically provided on both sides of the locking block (912), each of the control blocks (913) is slidably provided in a reset groove (914), and the top of each of the control blocks (913) is movably connected to the inner wall of the reset groove (914) through a first spring telescopic rod (915), the locking block (912) is located outside the unlocking sleeve (76) and is telescopically provided, one end of the locking block (912) located inside the unlocking sleeve (76) is embedded in the locking hole (911) and is obliquely provided, and the angle between the locking block (912) and the sleeve shaft (75) is 90 degrees.

5. The automobile parts welding equipment according to claim 4, characterized in that: The switching assembly (92) comprises a switching base (921), the bottom of the switching base (921) is fixedly connected to the top of the welding table (1), the switching base (921) is located below the unlocking sleeve (76), a side of the switching base (921) away from the locking block (912) is provided with an arc-shaped slide (922), and the top of the switching base (921) close to the locking block (912) is rotatably connected to a toggle rod (923), when the locking block (912) is moved toward the unlocking sleeve (76) through the first spring telescopic rod (915), the toggle rod (923) is rotated to the top of the switching base (921) close to the locking block (912). ), the unlocking sleeve (76) can be rotated to make it contact with the outside of the toggle rod (923), the toggle rod (923) is located directly below the unlocking sleeve (76), and first blocking rods (924) are symmetrically arranged on both sides of the toggle rod (923), the bottom of the first blocking rod (924) is fixedly connected to the top of the switching base (921), and the end of the toggle rod (923) away from the clamping block (912) is connected to the side end of the switching frame (925), and the switching frame (925) away from the toggle rod (923) is connected to the side end of the switching frame (925). A resistance rod (926) is provided on one side, the resistance rod (926) is slidably provided in a slide groove (928) of a reaction rod (927) and is located on one side of a resistance ring (929), the resistance ring (929) is slidably provided on the reaction rod (927), an arc block (930) is provided at one end of the reaction rod (927) away from the resistance rod (926), a side end of the resistance ring (929) is movably connected to a side end of the arc block (930) via a compression spring (931), and a side end of the arc block (930) is in contact with an arc slide ( 922) and slidably cooperates with it. When the arc block (930) is located on one side of the arc slide (922), the side end of the toggle rod (923) abuts against the side end of the first blocking rod (924) in the opposite direction. The top of the arc block (930) is rotatably connected to a horizontally arranged switching bevel gear (932). When the arc block (930) moves to a side of the arc slide (922) close to the second driving bevel gear (84), the side end of the switching bevel gear (932) meshes with the side end of the second driving bevel gear (84).

6. The automobile parts welding equipment according to claim 5, characterized in that: The connection assembly (10) comprises a connection seat (101), the connection seat (101) is arranged in an annular shape, the connection seat (101) is arranged on one side of the switching base (921), the middle part of the connection seat (101) is rotatably connected to the top of the welding table (1) via a central axis (102), a conical opening (103) is provided on the top of the connection seat (101), a conical sleeve (104) having a complementary shape is provided in the conical opening (103), the rotation of the conical sleeve (104) is arranged on the central axis (102), and a conical sleeve (104) is provided above the conical sleeve (104). A control ring (105) is rotatably arranged on the central shaft (102); the bottom of the control block (913) is movably connected to the top of the conical sleeve (104) via a plurality of second spring telescopic rods (106); a connecting gear (107) is sleeved on the outer side of the top of the conical sleeve (104); a side end of the connecting gear (107) can mesh with a side end of a switching bevel gear (932); when the switching bevel gear (932) meshes with the second driving bevel gear (84), the other side of the switching bevel gear (932) meshes with the side end of the connecting gear (107). When the conical sleeve (104) rotates in the conical opening (103), the outer side of the conical sleeve (104) can always contact the inner side of the conical opening (103) through the second spring telescopic rod (106), thereby driving the connecting seat (101) to rotate synchronously, the top of the connecting seat (101) is provided with a vertically arranged trigger rod (108), the outer side of the connecting seat (101) is provided with a vertically arranged reset rod (109), the bottom of the reset rod (109) is fixedly connected to the top of the welding table (1), and the reset rod (109) is rotated by a coil spring (110). A limiting rod (111) is movably connected, and one end of the limiting rod (111) away from the reset rod (109) is located on the connecting seat (101). When the connecting seat (101) drives the trigger rod (108) to rotate, it can drive the trigger rod (108) to be clamped in a limiting opening (112) at the end of the limiting rod (111). The end of the limiting rod (111) away from the limiting opening (112) is arranged obliquely. Second blocking rods (113) for limiting the deflection angle of the limiting rod (111) are provided on both sides of the limiting rod (111), and the bottom of the second blocking rod (113) is connected to the top of the welding table (1).

7. The automobile parts welding equipment according to claim 6, characterized in that: The alignment component (12) comprises a synchronization shaft (121), the synchronization shaft (121) being vertically arranged on a side of the connecting seat (101) away from the rotating seat (23) and being located on the welding table (1), the synchronization shaft (121) being rotationally connected to the welding table (1), the outer side of the synchronization shaft (121) being sleeved with a fifth transmission belt (122), the other end of the fifth transmission belt (122) being sleeved on the outer side of the connecting seat (101), the bottom of the synchronization shaft (121) slidingly passing through the welding table (1) and being connected to the center of the synchronization gear (123), the side end of the synchronization gear (123) being meshed with a synchronization toothed rod (124), the top of the synchronization toothed rod (124) being slidably matched with the welding table (1), The side of the synchronous toothed groove rod (124) away from the synchronous gear (123) is connected to an L-shaped connecting rod (125), one end of the L-shaped connecting rod (125) away from the synchronous toothed groove rod (124) is located above the welding table (1) and connected to the bottom of the pulling block (126), the L-shaped connecting rod (125) and the welding table (1) are slidably matched with each other, the side end of the pulling block (126) is provided with a horizontally arranged sliding rod (127), the end of the sliding rod (127) away from the pulling block (126) is embedded in the oblique sliding groove (129) of the limiting frame (128), the sliding rod (127) and the inner wall of the oblique sliding groove (129) are slidably matched with each other, and the top of the limiting frame (128) is connected to the bottom of the connecting frame (4).

8. The automobile parts welding equipment according to claim 4, characterized in that: The auxiliary component (13) comprises a second transmission shaft (131), wherein two second transmission shafts (131) are provided, and the two second transmission shafts (131) are respectively vertically arranged on one side adjacent to the two fixed disks (21) and located at the side end of the first transmission shaft (31), and the positions of the two second transmission shafts (131) correspond to each other, and a sixth transmission belt (132) is sleeved on the outer side of the second transmission shaft (131), and the other end of the sixth transmission belt (132) is sleeved on the outer side of the adjacent first transmission shaft (31), wherein a transmission gear (133) is sleeved on the second transmission shaft (131) on the lower fixed disk (21), and the transmission gear (133) Located on a side of the fifth transmission belt (122) close to the rotating seat (23), the side end of the transmission gear (133) meshes with the side end of the connecting gear (107), the top of the second transmission shaft (131) is symmetrically provided with a connecting rod (134), the top four sides of the connecting rod (134) are arranged obliquely, and the second transmission shaft (131) is sleeved with a connecting sleeve (135) on the fixed disk (21) above, and the bottom of the connecting sleeve (135) is provided with a connecting groove (136) that cooperates with the second transmission shaft (131) and the connecting rod (134), and the second transmission shaft (131), the connecting rod (134) and the connecting groove (136) are slidably matched with each other.

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